How to Connect the Contacts API with GHL and the Zapier App Connector

Seamless connection between GHL's Contacts API and the Zapier App Connector for automated contact workflows

How to connect Contacts API with the Zapier App Connector

This guide walks you through authenticating, selecting endpoints, and building automated workflows between GHL’s Contacts API and the Zapier App Connector, so you can manage contacts, tasks, notes, and appointments without writing code.

Authentication for the Contacts API

Authenticate to the Contacts API using either OAuth 2.0 or an API key, with the required scope: contacts.readonly. Ensure your GHL account grants access to contact data.

Authentication in the Zapier App Connector

In Zapier, securely connect your GHL account by selecting the Contacts API service and entering the credentials from your GHL developer console. Use OAuth when available for automatic token refresh.

GHL Contacts API Endpoints

GET /contacts/:contactId — Retrieve a single contact GET /contacts/:contactId/tasks — List tasks for a contact GET /contacts/:contactId/tasks/:taskId — Get a specific task for a contact GET /contacts/:contactId/notes — List notes for a contact GET /contacts/:contactId/notes/:id — Get a specific note GET /contacts/:contactId/appointments — Get appointments for a contact GET /contacts/ — List all contacts GET /contacts/business/:businessId — Get a contact by business ID contacts.write — Access to write-only operations (scope) POST /contacts/ — Create a contact PUT /contacts/:contactId — Update a contact DELETE /contacts/:contactId — Delete a contact POST /contacts/:contactId/tasks — Create a task for a contact PUT /contacts/:contactId/tasks/:taskId — Update a task PUT /contacts/:contactId/tasks/:taskId/completed — Mark a task as completed DELETE /contacts/:contactId/tasks/:taskId — Delete a task POST /contacts/:contactId/tags — Tag a contact

Top 3 connection patterns for GHL Contacts API x Zapier App Connector

1) Retrieve a Contact and Build a Task Flow

Trigger: When a new contact is added in GHL or when an existing contact is updated

Actions: Create a task, add notes, update fields, and push data to downstream apps like a CRM or email tool

GET /contacts/:contactId and GET /contacts/:contactId/tasks

Required: contactId; Key fields include contactId, taskId for related data

Top 3 connection patterns for GHL Contacts API x Zapier App Connector

2) Sync Contact Updates and Create Related Tasks

Trigger: Contact updated in GHL

Actions: PUT /contacts/:contactId to update; POST /contacts/:contactId/tasks to create tasks; POST /contacts/:contactId/notes to add notes

PUT /contacts/:contactId; POST /contacts/:contactId/tasks; POST /contacts/:contactId/notes

contactId, taskId, notes

Top 3 connection patterns for GHL Contacts API x Zapier App Connector

3) Notes and Appointments Overview

Trigger: New notes or appointments are added for a contact

Actions: POST /contacts/:contactId/notes; GET /contacts/:contactId/appointments; optionally sync to a calendar tool

POST /contacts/:contactId/notes; GET /contacts/:contactId/appointments

contactId, notes, appointmentId

No-code benefits for GHL Contacts API and Zapier App Connector

Automate complex workflows without writing code, using triggers, actions, and filters in Zapier

Keep contact data synchronized across systems in real time with minimal setup

Reuse secure credentials and centralized error handling within Zapier

Key terms and glossary

Key elements include endpoints, authentication, triggers, actions, and data mapping; processes cover building, testing, and deploying automations between GHL and the Zapier App Connector.

API Endpoint

A specific URL path used to perform an operation against GHL or the integration app.

Authentication

The method used to verify identity and permissions for API requests (OAuth 2.0, API keys).

Trigger

An event in GHL that starts a Zapier workflow (e.g., new or updated contact).

Webhook

A callback URL used to receive real-time data from an app when events occur.

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Synchronize contact details, notes, and tasks to your analytics or BI tool for comprehensive insights.

Lifecycle Triggers

Trigger automations when a contact moves stages, such as lead to customer, to automate follow-ups.

Steps to connect GHL Contacts API with Zapier App Connector

Step 1: Gather Credentials

Register for API access in GHL and generate an API key or OAuth client; save securely.

Step 2: Configure Endpoints

Choose needed endpoints (example: GET /contacts/:contactId, POST /contacts/) and map data fields.

Step 3: Test and Deploy

Test triggers and actions in Zapier, then deploy to production with error handling and monitoring.

Frequently Asked Questions

What is the Contacts API in GHL?

The Contacts API provides programmatic access to contact data in GHL. It enables reading, creating, updating, and deleting contacts, along with associated tasks, notes, and appointments. Use it to automate contact workflows from your apps and automation platforms. You can start by generating API credentials in GHL and selecting the appropriate scope (e.g., contacts.readonly) for read operations; for write operations use the corresponding scopes.

Endpoints include: GET /contacts/:contactId to fetch a contact, GET /contacts/:contactId/tasks to list tasks, POST /contacts/ to create a contact, PUT /contacts/:contactId to update, and POST /contacts/:contactId/tasks to create tasks. You can combine multiple endpoints in a Zap to build end-to-end flows. Refer to your API docs for the complete list and required parameters.

Use OAuth 2.0 where supported and API keys otherwise. In Zapier, create a connection to GHL by providing client credentials and authorizing the app. The app will manage token refresh and secure storage for you. Make sure the app has the necessary scopes (e.g., contacts.readonly).

Yes. You can read and write tasks, notes, and appointments using the matching endpoints. For example, POST /contacts/:contactId/tasks creates a new task, GET /contacts/:contactId/notes fetches notes, and GET /contacts/:contactId/appointments retrieves scheduled items.

No heavy coding is required. The Zapier App Connector provides a no-code interface to map fields, set triggers, and chain actions between GHL and other apps.

Rate limits depend on your GHL plan and endpoint type. Plan for retry logic in Zapier and handle backoff in your automations.

API docs are available in the GHL developer portal and in Zapier’s integration docs. For support, use the official support channels or contact Rankr’s help desk.

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🚀 GoHighLevel Integration

Complete Operations Catalog - 126 Actions & Triggers

126
Total Operations
55
Polling Triggers
71
Actions
14
Categories
👥

Contacts

10 Triggers 18 Actions
Trigger
Get Contact
Retrieve a specific contact by ID
Trigger
Search Contacts
Advanced search with filters
Trigger
Get Contacts by Business
Retrieve contacts linked to a business
Trigger
Get Duplicate Contact
Check for duplicate contacts
Trigger
Get Contact Appointments
List all appointments for a contact
Trigger
Get Contact Tasks
Retrieve all tasks for a contact
Trigger
Get Contact Task by ID
Get specific task details
Trigger
Get Contact Notes
List all notes for a contact
Trigger
Get Contact Note by ID
Retrieve specific note details
Trigger
List Contacts (Deprecated)
Legacy contact listing method
Action
Create Contact
Add a new contact to the system
Action
Update Contact
Modify existing contact information
Action
Find Contact
Search by email, phone, or ID
Action
Delete Contact
Remove a contact permanently
Action
Upsert Contact
Create or update contact automatically
Action
Add Tags to Contact
Tag contacts for organization
Action
Remove Tags from Contact
Remove specific tags
Action
Bulk Update Contact Tags
Add or remove multiple tags at once
Action
Create Contact Task
Add a new task for a contact
Action
Update Contact Task
Modify existing task details
Action
Complete Contact Task
Mark task as complete
Action
Delete Contact Task
Remove a task permanently
Action
Create Contact Note
Add notes to contact records
Action
Update Contact Note
Edit existing notes
Action
Delete Contact Note
Remove notes from contacts
Action
Add Contact to Campaign
Enroll contact in campaign
Action
Remove from Campaign
Remove contact from specific campaign
Action
Remove from All Campaigns
Unenroll from all campaigns
📅

Calendars & Appointments

13 Triggers 21 Actions
Trigger
List Calendar Groups
Get all calendar groups
Trigger
List Calendars
Retrieve all calendars
Trigger
Get Calendar by ID
Get specific calendar details
Trigger
Get Free Slots
Check calendar availability
Trigger
List Calendar Events
Get all scheduled events
Trigger
List Blocked Slots
View unavailable time slots
Trigger
Get Appointment
Retrieve appointment details
Trigger
List Appointment Notes
Get notes for appointments
Trigger
List Calendar Notifications
View notification settings
Trigger
Get Calendar Notification
Get specific notification
Trigger
List Calendar Resources
View rooms and equipment
Trigger
Get Calendar Resource
Get specific resource details
Action
Create Calendar Group
Set up new calendar group
Action
Update Calendar Group
Modify calendar group settings
Action
Update Group Status
Enable or disable calendar group
Action
Delete Calendar Group
Remove calendar group
Action
Validate Group Slug
Check if slug is available
Action
Create Calendar
Add new calendar
Action
Update Calendar
Modify calendar settings
Action
Delete Calendar
Remove calendar permanently
Action
Create Appointment
Book new appointment
Action
Update Appointment
Modify appointment details
Action
Delete Event
Cancel and remove event
Action
Create Block Slot
Block time on calendar
Action
Update Block Slot
Modify blocked time
Action
Create Appointment Note
Add notes to appointments
Action
Update Appointment Note
Edit appointment notes
Action
Delete Appointment Note
Remove appointment notes
Action
Create Calendar Notification
Set up reminders
Action
Update Notification
Modify notification settings
Action
Delete Notification
Remove notification
Action
Create Calendar Resource
Add room or equipment
Action
Update Calendar Resource
Modify resource details
Action
Delete Calendar Resource
Remove resource
💼

Opportunities

3 Triggers 7 Actions
Trigger
Search Opportunities
Find opportunities with filters
Trigger
Get Opportunity
Retrieve specific opportunity
Trigger
List Pipelines
View all opportunity pipelines
Action
Create Opportunity
Add new sales opportunity
Action
Update Opportunity
Modify opportunity details
Action
Delete Opportunity
Remove opportunity
Action
Update Opportunity Status
Change status (open, won, lost)
Action
Upsert Opportunity
Create or update opportunity
Action
Add Followers
Assign team members to follow
Action
Remove Followers
Unassign followers
👤

Users

4 Triggers 3 Actions
Trigger
Search Users
Find users with filters
Trigger
Filter Users by Email
Search users by email address
Trigger
Get User
Retrieve user details
Trigger
List Users by Location
Get users in specific location
Action
Create User
Add new user to system
Action
Update User
Modify user information
Action
Delete User
Remove user from system
💬

Conversations & Messages

8 Triggers 2 Actions
Trigger
Search Conversations
Find conversations by filters
Trigger
Get Conversation
Retrieve conversation details
Trigger
Get Email by ID
Retrieve specific email
Trigger
Get Message by ID
Get specific message details
Trigger
Get Messages by Conversation
List all conversation messages
Trigger
Get Message Recording
Retrieve voice recording
Trigger
Get Message Transcription
Get transcribed message text
Trigger
Download Transcription
Download transcription file
Action
Update Message Status
Change message read/unread status
Action
Agent Typing Indicator
Show typing indicator in chat
🏢

Businesses

2 Triggers 3 Actions
Trigger
Get Business
Retrieve business details
Trigger
List Businesses by Location
Get all businesses in location
Action
Create Business
Add new business
Action
Update Business
Modify business details
Action
Delete Business
Remove business
🔄

Workflows & Campaigns

3 Triggers 5 Actions
Trigger
List Workflows
Get all workflows
Trigger
List Snapshots
View available snapshots
Trigger
List Campaigns
Get all campaigns
Action
Add Contact to Workflow
Enroll in workflow automation
Action
Remove from Workflow
Unenroll from workflow
Action
Add Contact Followers
Assign followers to contact
Action
Remove Contact Followers
Unassign followers
Action
Bulk Business Update
Add/remove contacts from business
⚙️

Other Operations

20 Triggers 8 Actions
Trigger
List Locations
Get all locations
Trigger
List Custom Fields
View custom field definitions
Trigger
Get Company
Retrieve company information
Trigger
Find Associations
Search associations
Trigger
Get Association
Retrieve association details
Trigger
Get Association Key
Get key by name
Trigger
Get Association by Keys
Find by object keys
Trigger
Get Relations by Record
List record relations
Trigger
Check Blog URL Slug
Verify slug availability
Trigger
Get Blog Authors
List blog authors
Trigger
Get Blog Categories
List blog categories
Trigger
Get Blog Posts
List posts by blog
Trigger
Get Blogs by Location
List location blogs
Action
Find Location by ID
Retrieve location details
Action
Create Location
Add new location
Action
Create Association
Link related records
Action
Update Association
Modify association
Action
Delete Association
Remove association
Action
Create Relation
Establish record relation
Action
Delete Relation
Remove record relation
Action
Create Blog Post
Publish new blog post
Action
Update Blog Post
Edit blog post

✨ Key Capabilities

📊 Contact Management

  • 10 custom field slots per contact
  • Advanced search with filters
  • Duplicate detection
  • Tag management (bulk operations)
  • Full task and note management
  • Campaign & workflow enrollment

📅 Calendar Features

  • Calendar groups with slugs
  • Multiple calendar types
  • Free slot checking
  • Appointment booking system
  • Blocked slots management
  • Room & equipment resources

💼 Sales Pipeline

  • Multi-pipeline support
  • Stage management
  • Status tracking (won, lost, etc)
  • Monetary value tracking
  • User assignment
  • Follower management

🔄 Automation Ready

  • Workflow automation support
  • Campaign management
  • Polling triggers (1-15 min)
  • Real-time conversations
  • Bulk operations
  • Upsert capabilities
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